:root{--primary-color:#3a7d44;--secondary-color:#5d9c59;--accent-color:#89b6a5;--background-color:#f5f5f5;--dark-color:#333333;--light-color:#ffffff;--font-family:'Arial',sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--dark-color);line-height:1.6}header{background-color:var(--primary-color);color:var(--light-color);text-align:center;padding:2rem 1rem;position:relative;overflow:hidden}header::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:20px;background:linear-gradient(45deg,var(--primary-color) 25%,transparent 25%) 0 0,linear-gradient(-45deg,var(--primary-color) 25%,transparent 25%) 0 0,linear-gradient(45deg,transparent 75%,var(--primary-color) 75%) 0 0,linear-gradient(-45deg,transparent 75%,var(--primary-color) 75%) 0 0;background-size:20px 20px;background-color:var(--accent-color)}.container{max-width:1200px;margin:0 auto;padding:2rem}h1{font-size:2.5rem;margin-bottom:1rem}h2{font-size:1.8rem;margin-bottom:1.5rem;color:var(--primary-color)}p{margin-bottom:1.5rem}.intro{text-align:center;margin-bottom:2rem}.controls{background-color:var(--light-color);border-radius:8px;padding:2rem;box-shadow:0 2px 10px rgba(0,0,0,0.1);margin-bottom:2rem}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:0.5rem;font-weight:bold}select,input[type="number"]{width:100%;padding:0.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.button-group{display:flex;gap:1rem;flex-wrap:wrap}button{background-color:var(--secondary-color);color:white;border:none;padding:0.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color 0.3s}button:hover{background-color:var(--primary-color)}button.secondary{background-color:var(--accent-color)}button.secondary:hover{background-color:#77a393}.output{background-color:var(--light-color);border-radius:8px;padding:2rem;box-shadow:0 2px 10px rgba(0,0,0,0.1);margin-bottom:2rem}.output-text{font-size:1.1rem;line-height:1.8}.language-selector{text-align:right;margin-bottom:1rem}.language-btn{background:none;border:none;cursor:pointer;font-size:0.9rem;color:var(--dark-color);opacity:0.7;transition:opacity 0.3s;padding:0.3rem 0.6rem}.language-btn:hover,.language-btn.active{opacity:1;text-decoration:underline}footer{background-color:var(--primary-color);color:var(--light-color);text-align:center;padding:1.5rem;margin-top:2rem}footer a{color:var(--light-color);text-decoration:underline}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin:3rem 0}.feature{background-color:var(--light-color);border-radius:8px;padding:1.5rem;box-shadow:0 2px 10px rgba(0,0,0,0.1);text-align:center}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.faq-section{margin:3rem 0}.faq-item{background-color:var(--light-color);border-radius:8px;padding:1.5rem;box-shadow:0 2px 10px rgba(0,0,0,0.1);margin-bottom:1rem}.faq-question{font-weight:bold;color:var(--primary-color);margin-bottom:0.8rem;font-size:1.2rem}.faq-answer{line-height:1.6}.lazy-image{opacity:0;transition:opacity 0.3s}.lazy-image.loaded{opacity:1}@media (max-width:768px){h1{font-size:2rem}h2{font-size:1.5rem}.container{padding:1rem}.controls,.output{padding:1.5rem}}@media (max-width:480px){.button-group{flex-direction:column}.feature{padding:1rem}h1{font-size:1.8rem}.controls,.output{padding:1.2rem}}